Rooted leaves for physiological experiments.

Rooted leaves provide convenient material for investigating various physiological processes. Details are given for producing rooted leaves of species with tuberous roots, e.g. Sweet potato (Ipomoea batatas) and Dahlia (Dahlia variabilis) and species with tap roots, e.g. Sugar beet (Beta vulgaris) and Runner bean (Phaseolus coccineus). The storage root formed on a single sugar-beet leaf develops concentric cambia suggesting that their formation is not determined by particular leaves.